What is CVE-2023-0359?

CVE-2023-0359 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2023-07-10.

How severe is CVE-2023-0359?

Medium severity. CVSS v3 base score is 5.9 out of 10.

NULL pointer dereference in Zephyrproject Zephyr

CVE-2023-0359

A missing nullptr-check in handle_ra_input can cause a nullptr-deref.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Weakness classification (CWE)

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c7fq-vqm6-v5pf (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2023-0359?: CVE-2023-0359 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2023-07-10.
How severe is CVE-2023-0359?: Medium severity. CVSS v3 base score is 5.9 out of 10.